<!DOCTYPE html>
<html>

<head>
	<meta charset="utf-8">
	<title>CSS3实现折扇效果</title>
	<link rel="stylesheet" href="./style.css">
</head>

<body>
	<div class="box">
		<div>1</div>
		<div>2</div>
		<div>3</div>
		<div>4</div>
		<div>5</div>
		<div>6</div>
		<div>7</div>
		<div>7</div>
		<div>6</div>
		<div>5</div>
		<div>4</div>
		<div>3</div>
		<div>2</div>
	</div>
</body>

</html>